Open lib/classes/dataformat.php in an editor. Confirm the absence of the incorrect license docblock. Expected /** * Class containing utility methods for dataformats * * @package core * @copyright 2020 Paul Holden <paulh@moodle.com> * @license http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later */ Before patch /** * Class containing utility methods for dataformats * * @package core * @copyright 2020 Moodle Pty Ltd <support@moodle.com> * @author 2020 Paul Holden <paulh@moodle.com> * @copyright 2020 Paul Holden <paulh@moodle.com> * @license http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later * @license Moodle Workplace License, distribution is restricted, contact support@moodle.com */